INSTALL, CodingStyle: Recognize that Clang is an acceptable compiler.

[sliver-openvswitch.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index a0eb266..4c54b59 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -18,8 +18,13 @@ you will need the following software:
 
     - GNU make.
 
-    - The GNU C compiler.  We generally test with version 4.1, 4.2, or
-      4.3.
+    - A C compiler, such as:
+
+        * GCC 4.x.
+
+        * Clang.  Clang 3.4 and later provide useful static semantic
+          analysis and thread-safety checks.  For Ubuntu, there are
+          nightly built packages available on clang's website.
 
     - libssl, from OpenSSL, is optional but recommended if you plan to
       connect the Open vSwitch to an OpenFlow controller.  libssl is
@@ -28,11 +33,6 @@ you will need the following software:
       libssl is installed, then Open vSwitch will automatically build
       with support for it.
 
-    - clang, from LLVM, is optional. It provides useful static semantic
-      analyzer and thread-safety check. clang version must be 3.4 or
-      later. For Ubuntu, there are nightly built packages available on
-      clang's website.
-
 To compile the kernel module on Linux, you must also install the
 following.  If you cannot build or install the kernel module, you may
 use the userspace-only implementation, at a cost in performance.  The